Neurosurgery 2015 Mar;11 Suppl 2:89-98; discussion 98
*Neurosurgical Simulation Research Center, Department of Neurosurgery, Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec, Canada; ‡Department of Neurosurgery, National Neuroscience Institute, King Fahad Medical City, Riyadh, Saudi Arabia; §Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada; ¶Faculty of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh Saudi Arabia; ‖Department of Biomedical Engineering, Tehran Polytechnic, Tehran, Iran.